# TSTR WiFi vs EcoStar III

The clearest difference is device support: EcoStar III at 3 against TSTR WiFi's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TSTR WiFi ships an update every 67 months, EcoStar III every 35 months. The most recent releases landed on September 24, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TSTR WiFi | EcoStar III |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (3 ratings)](https://appshunter.io/ios/app/ecostar-iii/id1545686967/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 67 months | **Every 35 months** |
| Monetization | — | Free |
| Size | 3 MB | 6 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [飞 吴](https://appshunter.io/developer/645447334) | [Intermotive Inc](https://appshunter.io/developer/1526380552) |

## What reviewers say

### TSTR WiFi

[App page](https://appshunter.io/ios/app/tstr-wifi/id958849248)

**Features:** macOS Compatibility

**In-app purchases:** none


### EcoStar III

[App page](https://appshunter.io/ios/app/ecostar-iii/id1545686967)

Monitor and manage your vehicle's idle reduction system. Track idle time, view real-time vehicle data, and adjust system configurations. Optimize fuel efficiency and gain insights into your vehicle's performance.

**Highlights:** Real-time idle time tracking, Idle reduction statistics calculation, Module configuration retrieval and modification, Real-time vehicle data display, Diagnostic information access

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TSTR WiFi free?

TSTR WiFi is free to download, with no in-app purchases.

### Is EcoStar III free?

EcoStar III is free to download, with no in-app purchases.

### Do TSTR WiFi or EcoStar III have ads?

Neither TSTR WiFi nor EcoStar III shows ads.

### Which is updated more often, TSTR WiFi or EcoStar III?

TSTR WiFi ships an update every 67 months, and EcoStar III every 35 months. Most recently, TSTR WiFi was updated on September 24, 2026 and EcoStar III on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*